src/acl/MethodData.cc

   1 /*
   2  * DEBUG: section 28    Access Control
   3  * AUTHOR: Duane Wessels
   4  *
   5  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   6  * ----------------------------------------------------------
   7  *
   8  *  Squid is the result of efforts by numerous individuals from
   9  *  the Internet community; see the CONTRIBUTORS file for full
  10  *  details.   Many organizations have provided support for Squid's
  11  *  development; see the SPONSORS file for full details.  Squid is
  12  *  Copyrighted (C) 2001 by the Regents of the University of
  13  *  California; see the COPYRIGHT file for full details.  Squid
  14  *  incorporates software developed and/or copyrighted by other
  15  *  sources; see the CREDITS file for full details.
  16  *
  17  *  This program is free software; you can redistribute it and/or modify
  18  *  it under the terms of the GNU General Public License as published by
  19  *  the Free Software Foundation; either version 2 of the License, or
  20  *  (at your option) any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful,
  23  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  *  GNU General Public License for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software
  29  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  30  *
  31  *
  32  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  33  */
  34
  35 #include "squid.h"
  36 #include "acl/Checklist.h"
  37 #include "acl/MethodData.h"
  38 #include "cache_cf.h"
  39 #include "http/RequestMethod.h"
  40
  41 int ACLMethodData::ThePurgeCount = 0;
  42
  43 ACLMethodData::ACLMethodData() : values (NULL)
  44 {}
  45
  46 ACLMethodData::ACLMethodData(ACLMethodData const &old) : values (NULL)
  47 {
  48     assert (!old.values);
  49 }
  50
  51 ACLMethodData::~ACLMethodData()
  52 {
  53     if (values)
  54         delete values;
  55 }
  56
  57 /// todo make this a pass-by-reference now that HTTPRequestMethods a full class?
  58 bool
  59 ACLMethodData::match(HttpRequestMethod toFind)
  60 {
  61     return values->findAndTune(toFind);
  62 }
  63
  64 /* explicit instantiation required for some systems */
  65
  66 /// \cond AUTODOCS_IGNORE
  67 template cbdata_type CbDataList<HttpRequestMethod>::CBDATA_CbDataList;
  68 /// \endcond
  69
  70 SBufList
  71 ACLMethodData::dump() const
  72 {
  73     SBufList sl;
  74     CbDataList<HttpRequestMethod> *data = values;
  75
  76     while (data != NULL) {
  77         sl.push_back(data->element.image());
  78         data = data->next;
  79     }
  80
  81     return sl;
  82 }
  83
  84 void
  85 ACLMethodData::parse()
  86 {
  87     CbDataList<HttpRequestMethod> **Tail;
  88     char *t = NULL;
  89
  90     for (Tail = &values; *Tail; Tail = &((*Tail)->next));
  91     while ((t = strtokFile())) {
  92         CbDataList<HttpRequestMethod> *q = new CbDataList<HttpRequestMethod> (HttpRequestMethod(t));
  93         if (q->element == Http::METHOD_PURGE)
  94             ++ThePurgeCount; // configuration code wants to know
  95         *(Tail) = q;
  96         Tail = &q->next;
  97     }
  98 }
  99
 100 bool
 101 ACLMethodData::empty() const
 102 {
 103     return values == NULL;
 104 }
 105
 106 ACLData<HttpRequestMethod> *
 107 ACLMethodData::clone() const
 108 {
 109     assert (!values);
 110     return new ACLMethodData(*this);
 111 }